026  
CDUS46 KMTR 130852  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
152 AM PDT MON MAR 13 2023  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MARCH 12 2023  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 59 9:22 AM 79 2007 64 -5 63  
MINIMUM 54 5:11 AM 31 2021 42 12 32  
AVERAGE 57 53 4 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 0.00  
MONTH TO DATE 3.60 0.06  
SINCE OCT 1 24.07 16.00  
SINCE JAN 1 15.65 0.86  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 17  
MONTH TO DATE 195 172  
SINCE MAR 1 195 172  
SINCE JUL 1 2225 2244  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 0 0  
SINCE JAN 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 8:00 PM  
LOWEST 84 9:00 AM  
AVERAGE 89  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 80 2017  
MINIMUM TEMPERATURE (F) 42 31 2006  
 
SUNRISE AND SUNSET  
MARCH 13 2023.........SUNRISE 7:23 AM PDT SUNSET 7:14 PM PDT  
MARCH 14 2023.........SUNRISE 7:22 AM PDT SUNSET 7:15 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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